 |  |  | |
| PartNumber | ATSAMR21G18A-MF | ATSAMR21G18-MR210UA | ATSAMR21G18-MR210UAT |
| Description | RF Microcontrollers - MCU SAMR21 48pin 256K 125C | Zigbee Modules (802.15.4) Smart Connect Module | Zigbee Modules (802.15.4) 42 PIN SAMR21 2.4GHZ 15.4 MODULE |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | RF Microcontrollers - MCU | Zigbee Modules (802.15.4) | Zigbee Modules (802.15.4) |
| RoHS | Y | Y | Y |
| Core | ARM Cortex M0+ | - | - |
| Data Bus Width | 32 bit | - | - |
| Program Memory Size | 256 kB | - | - |
| Data RAM Size | 32 kB | - | - |
| Maximum Clock Frequency | 48 MHz | - | - |
| ADC Resolution | 12 bit | - | - |
| Operating Supply Voltage | 3.3 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Maximum Operating Temperature | + 125 C | + 85 C | + 85 C |
| Package / Case | QFN-48 | - | - |
| Mounting Style | SMD/SMT | - | - |
| Packaging | Tray | Tray | Reel |
| Program Memory Type | Flash | - | - |
| Series | ATSAMR21 | ATSAMR21 | ATSAMR21 |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | - | - |
| Interface Type | SPI, UART, USB | I2S, UART, USB | USB |
| Number of I/Os | 28 I/O | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 8 Channel | - | - |
| Processor Series | SAMR21G | - | - |
| Product Type | RF Microcontrollers - MCU | Zigbee Modules | Zigbee Modules |
| Factory Pack Quantity | 416 | 1 | 200 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Modules | Wireless & RF Modules |
| Tradename | SMART | - | - |
| Unit Weight | 0.005309 oz | 0.005309 oz | - |
| Frequency | - | - | 2.4 GHz |
| Data Rate | - | - | 12 Mb/s |
| Sensitivity | - | - | - 98 dBm |
| Supply Current Transmitting | - | - | 10 mA |
| Supply Current Receiving | - | - | 10 mA |
| Dimensions | - | - | 20 mm x 19 mm |